Finding the Fourth Proportional to 115,119.18, 172,359.92 and 58,838.09
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Solution
The fourth proportional to 115,119.18, 172,359.92 and 58,838.09 is: 88,094.16
Step by Step Solution
- Step 1: Write the proportion equation
115,119.18 : 172,359.92 = 58,838.09 : x - Step 2: Convert to fraction form
115,119.18/172,359.92 = 58,838.09/x - Step 3: Cross multiply
115,119.18x = 172,359.92 × 58,838.09 - Step 4: Simplify right side
115,119.18x = 10,141,327,770.65 - Step 5: Solve for x
x = 10,141,327,770.65/115,119.18 - Step 6: Final answer
x = 88,094.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.